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DCC Bridge
Anonymous1782718084
06-29 07:30
Model Name
spiral staircase 3d model
Tags
architecture
rendering
realistic
Prompt
A highly accurate architectural 3D model of a spiral staircase with an octagonal shape, based on a 2D floor plan. The outer perimeter forms an exact octagon with a side length of 1.86 meters. The inner core is also octagonal. The stairs width is exactly 1.20 meters, and the total vertical height from ground level to the first-floor slab is 3.20 meters. Clean geometric lines, concrete architectural structure, sharp edges, professional 3D CAD rendering.
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